Wear Tech vs mjn
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Wear Tech
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Wear-Tech iPhone Companion is a next-generation **safety app**
mjn
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mjn-SERAS is a earpiece with an app that assesses the risk of epilepsy seizures. mjn-SERAS is a medical device that sends a warning signal when the risk of epilepsy seizure is high (the purchase of the product requires having the earpiece). mjn-SERAS records the electrical activity of the brain in real time and stores the information on specific servers. The artificial intelligence algorithm that permanently evaluates the risk of epilepsy seizures works in real time in the MJN-SERAS application of the user's mobile phone. mjn-SERAS is a medical device from mjn-neuro. mjn-SERAS is a CE marked medical device in accordance with European Regulation 2017/745 (MDR) and Royal Decree RD. 192/2023. Contraindications: Do not use the product in case of suffering from an infection in the ear canal or in case of suffering a skin lesion in the vicinity of the product's area of influence. Clinical studies using Real World Data show an accuracy of 99%, a sensitivity of 83% and a specificity of 99%.
Screenshots
Verdict
The clearest difference is iOS requirement: mjn at 15.6 against Wear Tech's 17.6. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly monthly. The most recent releases landed on November 3, 2026 and October 24, 2026 respectively.
| Parameter | Wear Tech | mjn |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.6 | 15.6 โ better |
| Further details โ not scored | ||
| Size | 52 MB | 103 MB |
| Age rating | 4+ | 4+ |
| Developer | Wearable Technologies Inc. | mjn-neuro |
In-app purchases
Wear Tech
No in-app purchases
mjn
No in-app purchases







